Fixed two failing formatter tests

source/log4net-loggly.UnitTests/LogglyFormatterTest.cs

@@ -73,7 +73,7 @@ public void ShouldAddALoggerNameProperty()
             [Fact]
             public void ShouldAddAMessagePropertyForEventsWithoutMessages()
             {
-                var evt = _fixture.Create<LoggingEvent>();
+                var evt = new LoggingEvent(new LoggingEventData() { Level = Level.Info });
                 var instance = _fixture.Create<LogglyFormatter>();
 
                 var result = instance.ToJson(evt);
@@ -134,7 +134,7 @@ public void ShouldAddExtraPropertiesWhenMessageObjectIsAComplexType()
             {
                 var evt = new LoggingEvent(
                     GetType(),
-                    Mock.Of<ILoggerRepository>(),
+                    null,
                     _fixture.Create("loggerName"),
                     _fixture.Create<Level>(),
                     _fixture.Create<ComplexType>(),

source/log4net-loggly/LogglyFormatter.cs

@@ -15,6 +15,7 @@ public class LogglyFormatter : ILogglyFormatter
     {
         private readonly Process _currentProcess;
 
+        // TODO: Make configurable? Is it documented?
         public int EVENT_SIZE = 1000 * 1000;
 
         public LogglyFormatter()
@@ -118,6 +119,11 @@ private string GetMessageAndObjectInfo(LoggingEvent loggingEvent, out object obj
             objInfo = null;
             var bytesLengthAllowedToLoggly = EVENT_SIZE;
 
+            if (loggingEvent.MessageObject != null)
+            {
+                objInfo = loggingEvent.MessageObject;
+            }
+
             if (!string.IsNullOrEmpty(loggingEvent.RenderedMessage))
             {
                 message = loggingEvent.RenderedMessage;